258659087 has 2 divisors, whose sum is σ = 258659088. Its totient is φ = 258659086.

The previous prime is 258659069. The next prime is 258659099. The reversal of 258659087 is 780956852.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-258659087 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (258659017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 129329543 + 129329544.

It is an arithmetic number, because the mean of its divisors is an integer number (129329544).

Almost surely, 2^258659087 is an apocalyptic number.

258659087 is a deficient number, since it is larger than the sum of its proper divisors (1).

258659087 is an equidigital number, since it uses as much as digits as its factorization.

258659087 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1209600, while the sum is 50.

The square root of 258659087 is about 16082.8818002247. The cubic root of 258659087 is about 637.1513096080.

The spelling of 258659087 in words is "two hundred fifty-eight million, six hundred fifty-nine thousand, eighty-seven".